Light bar



FIG. 1 is a front and left side perspective view of a light bar incorporating our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view of thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevational view thereof. 

The ornamental design for a light bar, as shown and described. 